Scotsman RS160 - Manual (Page 19)

SERVICE DIAGNOSIS
PROBLEM PROBABLE CAUSE CORRECTION
Dispensed product produces
foam as it leaves dispensing
valve. 1. No ice on Hopper. 1. Replenish ice supply, allow
ice to contact Hopper for 1/2
hour to cool product.
2. Carbonator CO
2
regulator
pressure too high for existing
water conditions or temperature.
2. Reduce carbonator CO
2
regulator pressure setting.
3. Syrup over carbonated with
CO
2
as indicated by bubbles in
inlet syrup lines leading to the
unit.
3. Remove syrup tank’s quick
disconnects. Relieve tank CO
2
pressure, shake tank vigorously,
then relieve tank CO
2
pressure
as many times as necessary to
remove over carbonation.
4. Dispensing valve restricted or
dirty. 4. Sanitize syrup system as
instructed.
5. Dirty water supply. 5. Check water filter. Replace
cartridge. NOTE: If the water
supply is dirty, be sure to flush
lines & carbonator completely. If
needed, remove lines to
carbonator tank, invert tank and
flush tank and all inlet lines to
remove any foreign particles or
dirt.
Only carbonated water
dispensed. 1. Quick disconnects not secure
on syrup tanks. 1. Secure quick disconnects on
syrup tanks.
2. Out of syrup. 2. Replenish syrup supply as
instructed.
3. Syrup tank’s secondary CO
2
regulator not properly adjusted.
3. Adjust syrup tanks secondary
CO
2
regulator.
4. Inoperable dispensing valve. 4. Repair or replace dispensing
valve.
5. Dispensing valve syrup flow
regulator not properly adjusted. 5. Adjust dispensing valve.
6. Dispensing valve, syrup tank
disconnects, or syrup lines
restricted. 6. Sanitize syrup system.
Only syrup dispensed. 1. Plain water inlet supply line
shut off valve closed.
1. Open plain water inlet supply
line valve.
2. Carbonator power cord
unplugged. 2. Plug carbonator in.
3. Carbonator primary CO
2
regulator not properly adjusted.
3. Adjust carbonator primary
CO
2
regulator.
RS160 and RS220
June 1995
Page 19